The ⁠Japanese government also issued emergency earthquake warnings for ​Kumamoto, ​Nagasaki, ⁠Kagoshima, Fukuoka, Saga, Oita, ​and Miyazaki ​prefectures, ⁠all on the southern Kyushu ⁠island of the country.

Earthquake of magnitude 7.1 strikes Japan's Kumamoto prefecture, tsunami warning issued

The Meteorological Agency of Japan dismissed viral earthquake and tsunami predictions from a manga comic as a hoax, urging the public to ignore unscientific rumours. The speculation, fueled by seismic activity near the Tokara Islands, has caused tourism disruption across Japan.

Viral tsunami rumour is hoax says Japan Meteorological Agency

After a 6.4 magnitude earthquake struck the country's southwestern region on Friday, Japan formed a crisis response centre under Prime Minister Fumio Kishida's chancellery, according to Japanese media.

6.4-magnitude earthquake rocks Japan, govt sets up crisis centre

On Wednesday, Mount Aso erupted, spewing ash thousands of meters into the sky as hikers rushed away from the popular tourist site. No injuries were reported as a result of the late-morning eruption.

WATCH: Mount Aso Volcano erupts in Japan; dramatic explosion sends ash 11,500 feet into the air

Two people were confirmed dead on Wednesday as heavy rains pounded southwest Japan, prompting flood and landslide warnings, and orders for 670,000 people to seek safety.

Life-threatening rains in south Japan kill two, emergency warning issued

Volcano erupts in southern Japan, no evacuation warning

No tsunami warning was issued, the Japan Meteorological Agency said

5.3 magnitude quake rattles eastern Japan?